'--maxinst' was replaced with '--ticks' for the 'configs/example/gem5_library/x86-npb-benchmarks.py' script. This test was never updated and resulted in failure. This patch fixes the issue. Change-Id: I5491d48e3d42c37f703600a3dea323146e5ff6d7 Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/56223 Maintainer: Bobby Bruce <bbruce@ucdavis.edu> Reviewed-by: Jason Lowe-Power <power.jg@gmail.com> Maintainer: Jason Lowe-Power <power.jg@gmail.com> Tested-by: kokoro <noreply+kokoro@google.com> Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/56249